On 20 October 2017, UK HMRC published draft guidance on new legislation for enablers of defeated tax avoidance schemes. The legislation essentially provides that a person is liable for a penalty when the abusive arrangements they have enabled are defeated (tax advantage counteracted by HMRC). For this purpose, a person who has enabled abusive tax arrangements is defined as a person who: Is a designer of arrangements; Is a manager of arrangements; Marketed the arrangements; Is an enabling participant in the arrangements; or Is a financial enabler in relation to the arrangements. Where an abusive arrangement is defeated, the penalty...